Debt And Credit Facilities - Unamortized Debt Issuance Costs (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt issuance costs	$ 19.5	$ 9.5
Convertible senior notes due 2028 | Convertible Debt
Debt Instrument [Line Items]
Debt issuance costs	13.3	0.0
Convertible senior notes due 2025 | Convertible Debt
Debt Instrument [Line Items]
Debt issuance costs	1.0	7.5
Term Loans
Debt Instrument [Line Items]
Debt issuance costs	4.2	1.7
Euro Term Loans
Debt Instrument [Line Items]
Debt issuance costs	$ 1.0	$ 0.3